/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlinePartyInterface.h
Get a party member by id
party member info or nullptr if not found
[FOnlinePartyMemberConstPtr](API\Plugins\OnlineSubsystem\Interfaces\FOnlinePartyMemberConstPtr) GetPartyMember ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & LocalUserId, const [FOnlinePartyId](API\Plugins\OnlineSubsystem\FOnlinePartyId) & PartyId, const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & MemberId ) const